AZ7500CMTR-EA

Voltage - Supply (Vcc/Vdd):	7 V ~ 36 V
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	45%
Frequency - Switching:	1kHz ~ 200kHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The AZ7500CMTR-EA is an integrated circuit (IC) manufactured by AnalogicTech, used as a Direct Current-to-Direct Current (DC-DC) switching controller for adjustable voltage regulators. It incorporates various features that allow for flexible system design, making it a popular choice for applications such as power conditioning, portable system hold-up, lamp/motor control, as well as automotive voltage regulation. Several features make this a particularly attractive option for users looking to optimize system performance and reliability.

Design Features

The AZ7500CMTR-EA was designed for efficiency and noise optimization. Its low stand-by mode enables users to reduce quiescent or leakage current consumption. Similarly, the low driver on-resistance coupled with its Advanced On-Time Optimized (ATO) control algorithm helps to improve efficiency to more than 90%. The ATO algorithm also helps to keep voltage ripple and output noise to a minimum.The AZ7500CMTR-EA also integrates a wide variety of protection features to ensure system reliability. It includes over-temperature, over-current, and under-voltage protection to guard against external fault conditions. It also has a variety of user-programmable options that can be used to customize the device\'s performance. This includes adjustable current limits and active loop compensation, as well as options for frequency synchronization and burst mode control.These features are packaged in an 8-pin MSOP package, making the AZ7500CMTR-EA ideal for space-constrained applications. With its comprehensive protection features, flexible programmability, and fast transient response, the AZ7500CMTR-EA is a reliable choice for high-performance Voltage regulator applications.

Working Principle

The AZ7500CMTR-EA utilizes a pulse-width modulation (PWM) control methodology. This means that it produces a string of pulses, varying in width over time, in order to control the voltage output. The frequency of the pulses is controlled by an internal clock, while the width of the pulses is based on a comparison of the output voltage with an internal reference voltage. When the output voltage is lower than the reference voltage, the pulse width will be longer, allowing more current to flow into the output and bringing the output voltage closer to the reference value. Conversely, when the output voltage is higher than the reference, the pulse width will be shortened. This reduces the amount of current being supplied to the output, thus reducing the output voltage. This cycle is repeated continuously, allowing for precise control of the output voltage.The AZ7500CMTR-EA also includes various safety measures to prevent system failure. Over-temperature protection is provided, with the device throttling itself down when a certain threshold is exceeded. Additionally, integrated current-sense features protect both the device and the external components from damage in case of over-current or short-circuit situations.

Application Field

The AZ7500CMTR-EA is a versatile DC-DC switching controller, suitable for a variety of applications including power conditioning, portable system hold-up, lamp/motor control, automotive voltage regulation and other Voltage regulator applications.In power conditioning applications, the AZ7500CMTR-EA can be used to provide constant voltage output, while still enjoying the benefits of reduced power consumption and low noise. Its wide range of protection features makes it suitable for use in high-voltage, high-current environments.Portable systems, such as laptop computers, benefit from the AZ7500CMTR-EA\'s fast transient response, low noise, and compact package size. It can be used to provide a reliable power hold-up in case of brief power interruptions, allowing the system to shut down safely.The AZ7500CMTR-EA is also suitable for use in automotive applications, such as in powertrain, transmission, and lamps/motors, due to its comprehensive safety features.Finally, the AZ7500CMTR-EA can be used for various voltage regulator applications, including step-down and step-up regulators and battery charge controllers. Its variety of programmable options allows users to customize their application to their specific requirements.

Conclusion

The AZ7500CMTR-EA is an ideal choice for adjustable DC-DC switching controller applications. Its low stand-by current and quiescent current enable optimized system performance, while its wide variety of protection features ensure maximum system safety. Additionally, the AZ7500CMTR-EA\'s user-programmable options and fast transient response make it suitable for a wide range of applications in various industries.

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